If missing front teeth are not restored, it will affect aesthetics, socialization, and pronunciation, while missing back teeth mainly affect chewing function and may lead to periodontitis. Missing teeth that are not filled will cause the top teeth to hang down while the teeth on the sides will come together, affecting chewing. The joints have a balancing motion when chewing food, if the teeth are missing, it will cause the joints to become unstable during the motion, here there is the only joint in the human head which is the temporomandibular joint, the damage will lead to discomfort and problems such as popping of the mouth. If the front teeth are missing without restoration, it will affect the aesthetics, socialization, pronunciation, and the back teeth are missing mainly affect the chewing function. If not restored will lead to the front two sides of the teeth to the front to move, the back of the teeth have a gap, in the chewing will have food embedded in the lead to periodontitis, periodontitis will appear red, swollen, and even abscess and a series of consequences. Missing teeth without replacement has very serious consequences, as long as attention to oral health, can try to avoid missing teeth, if missing teeth should be timely repair, with activities, fixed, implantation and other ways to repair.